This is a very different show. It's not a competition, it's a journey following six people through a very big commitment on their behalf to lose a massive amount of weight in the course of a year. Some of the guys clock in at about 260 kg to start with so we're talking some extremely super obese people.

If someone was to be losing a massive amount of weight, they would be doing it this way. They'd be living in their home, taking their kids to school, going to work, just doing what they normally do every day. But we give them the tools to help...